Mr. Bennett's Observations on Fishes, 31 



d. One of the male organs of generation, (the prehensor ?) 

 subcrustaceous, apparently divided by four longitudinal 

 channels. 



/,/. The large basal segment, divided into two arches by 



a longitudinal groove; 

 g. The notch in the centre of the posterior margin of the 

 basal segment. This notch is perceivable in the female, 

 and also in some of the contiguous genera. 

 S. The apex of the last segment of the abdomen and the 

 prehensor? noticed above, more powerfully magnified. 

 Details as in Fig. R. 

 T. A lateral view of the last three segments of the abdomen, 

 a, b, c, and d, as in R. 



e. The penis ? flat, horny and hairy at its outer surface. 



h. The deflexed margin of the penultimate segment, 

 dilated and hairy beneath. 

 U. The under side of the last three segments of the abdomen. 

 Details as above. 

 e. The penis ? flattened, broad at the base, narrower to the 

 tip, where it terminates in two blunt teeth, hairy ex- 

 ternally. 

 h, h. The deflexed margins of the penultimate segment. 



Art. III. Ohservations on the Fishes contained in the 

 Collection of the Zoological Society. By E. T. Bknnett, 

 Esq., F. L.S.J S;c. 



[Continued from Vol. III. p. 378.] 



On some Fishes from the Sandwich Islands. 



The fishes which form the subject of the present communication con- 

 stitute nearly the whole of a small but interesting collection presented to 



